When at 120C/250F/Gas ½, return the duck to the oven and cook for a further 1¼ hours - basting with the reserved fat every 20 minutes. While the duck is roasting, bring the duck or chicken stock ...

3. Turn the oven temperature down to 350°F. Take out the duck breast and keep aside. 4. Meanwhile in a medium saucepan, boil the sugar and vinegar over moderately high heat until the syrup becomes ...